CN113742924A - Method, device and equipment for optimizing boom noise of main driving inner ear at high rotating speed - Google Patents
Method, device and equipment for optimizing boom noise of main driving inner ear at high rotating speed Download PDFInfo
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Abstract
The application provides an optimization method, a device and equipment for booming noise of a main driving inner ear at a high rotating speed, wherein the optimization method comprises the following steps: acquiring parameter information of 2-order vibration of an original engine and preset booming noise parameter information; adjusting the parameter information of 2-order vibration of the original engine according to the preset booming noise parameter information to obtain the adjusted parameter information of 2-order vibration of the engine; and reducing the booming noise of the main driving inner ear according to the adjusted parameter information of the 2-order vibration of the engine. The vehicle is light in weight and cost is reduced while the main driving inner ear booming noise is reduced.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to a method, a device and equipment for optimizing rolling noise of a main driving inner ear at a high rotating speed.
Background
NVH (Noise, Vibration and Harshness) performance is a key index for evaluating the comfort of a vehicle, mainly comprises three aspects of Vibration, Noise and dissonance, and is generally researched as a whole due to the fact that the three aspects are inseparable. With the rapid development of the automobile industry, the noise in the automobile is better and better controlled, so that the rolling problem of the automobile in the acceleration process is more and more prominent. The roaring sound is mainly expressed by that sound pressure level or energy of a certain frequency point within 20-200Hz is more prominent than other frequency sections, so that eardrum is pressed, and customer complaints are caused. The test shows that the booming is mainly caused by 2-step excitation of the engine at a specified high rotating speed and a specified frequency.
The prior art generally solves the problem of in-vehicle rolling by adding a reinforcing structure or installing a dynamic vibration absorber corresponding to the frequency to the right longitudinal beam of the vehicle body. However, the way of adding the reinforcing structure to the right side member of the vehicle body leads to the increase of the weight of the whole vehicle, which is not beneficial to light weight; the installation of a dynamic vibration absorber not only results in an increase in weight but also greatly increases the cost.
Disclosure of Invention
The application mainly aims to provide a method, a device and equipment for optimizing the booming noise of a main driving inner ear at a high rotating speed, so that the booming noise of the main driving inner ear is reduced, the light weight of a vehicle is realized, and the cost is reduced.
In order to achieve the above object, the present application provides a method for optimizing boom noise of a main driving inner ear at a high rotation speed, which includes the following steps:
acquiring parameter information of 2-order vibration of an original engine and preset booming noise parameter information;
adjusting the parameter information of 2-order vibration of the original engine according to the preset booming noise parameter information to obtain the adjusted parameter information of 2-order vibration of the engine;
and reducing the booming noise of the main driving inner ear according to the adjusted parameter information of the 2-order vibration of the engine.
Preferably, the acquiring of the parameter information of the 2 nd order vibration of the original engine and the preset growl noise parameter information comprises:
acquiring first vibration data of each component on a transmission path of 2-order vibration of the engine at a preset high rotating speed;
comparing the first vibration data of each part according to a preset high rotating speed range, and determining a target part generating the booming noise of the main driving inner ear;
and acquiring parameter information of 2-order vibration of the engine and preset booming noise parameter information according to the target component.
Preferably, acquiring first vibration data of each component on a transmission path of 2-order vibration of the engine at a preset high rotation speed comprises the following steps:
a microphone is arranged on a main driving inner ear in the automobile, and vibration sensors are arranged on various parts on a transmission path of 2-order vibration of the engine;
operating the engine at a preset high rotating speed to obtain a target vibration environment;
aiming at each preset high rotating speed, first vibration data of all parts in a target vibration environment are obtained through a vibration sensor, and first rumbling noise data of a main driving inner ear in the target vibration environment are obtained through a microphone.
Preferably, the adjusting the parameter information of the 2 nd order vibration of the original engine according to the preset booming noise parameter information to obtain the adjusted parameter information of the 2 nd order vibration of the engine includes:
acquiring original length parameter information of a target component;
modifying the original length parameter information according to the preset rumbling noise parameter information to obtain the modified length parameter information;
and acquiring the parameter information of the 2-order vibration of the current engine according to the modified length parameter information, and taking the parameter information of the 2-order vibration of the current engine as the parameter information of the 2-order vibration of the adjusted engine.
Preferably, the method for reducing the booming noise of the main driving inner ear according to the adjusted parameter information of the 2 nd order vibration of the engine further comprises the following steps:
acquiring material parameter information of a target component;
performing material adjustment on the adjusted parameter information of the 2-order vibration of the engine according to the material parameter information of the target component so as to reduce the booming noise of the main driving inner ear again;
the microphone is used for obtaining the booming noise of the main driving inner ear at a preset high rotating speed.
Preferably, before the obtaining of the material parameter information of the target component, the method further includes:
acquiring second vibration data and second growl noise data of each part at a preset high rotating speed;
judging whether the second vibration data and the second growl noise data are within a preset range;
and if not, executing the step of acquiring the material parameter information of the target component.
The application also provides an optimization device for the rolling noise of the main driving inner ear at a high rotating speed, which comprises an acquisition module, an adjustment module and a reduction module;
the acquisition module is used for acquiring parameter information of 2-order vibration of an original engine and preset booming noise parameter information;
the adjusting module is used for presetting the parameter information of the booming noise to adjust the parameter information of 2-order vibration of the original engine to obtain the parameter information of the 2-order vibration of the adjusted engine;
the reducing module is used for reducing the booming noise of the main driving inner ear according to the adjusted parameter information of the 2-order vibration of the engine.
Preferably, the adjusting module comprises an obtaining submodule, an adjusting submodule and a vibration parameter information obtaining submodule;
the acquisition submodule is used for acquiring original length parameter information of the target component;
the adjusting submodule is used for modifying the original length parameter information according to the preset booming noise parameter information to obtain the modified length parameter information;
and the vibration parameter information acquisition submodule is used for acquiring the parameter information of the 2-order vibration of the current engine according to the modified length parameter information, and taking the parameter information of the 2-order vibration of the current engine as the parameter information of the 2-order vibration of the adjusted engine.
The application still provides the main optimization equipment who drives the rumbling noise of inner ear under high rotational speed, includes: the optimization method comprises the steps of realizing the optimization method for the booming noise of the main driving inner ear at the high rotating speed.
The application also provides a storage medium, wherein the storage medium is stored with an optimization program of the boom noise of the main driving inner ear at the high rotating speed, and the optimization program of the boom noise of the main driving inner ear at the high rotating speed is executed by a processor to realize the steps of the optimization method of the boom noise of the main driving inner ear at the high rotating speed.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for optimizing boom noise of a main driving inner ear at a high rotation speed in a hardware operating environment according to an embodiment of the present application;
FIG. 2 is a schematic flow chart diagram illustrating a method for optimizing boom noise of a main driving inner ear at high rotational speeds in accordance with a first embodiment of the present disclosure;
FIG. 3 is a schematic flow chart diagram illustrating a second embodiment of a method for optimizing boom noise of a main driving inner ear at high rotational speeds according to the present disclosure;
FIG. 4 is a schematic flow chart diagram illustrating a third embodiment of a method for optimizing boom noise of a main driving inner ear at high rotational speeds provided herein;
FIG. 5 is a schematic flow chart diagram illustrating a fourth embodiment of a method for optimizing boom noise of a main driving inner ear at high rotational speeds provided herein;
fig. 6 is a functional block diagram of the optimization device for the booming noise of the main driving inner ear at a high rotation speed.
The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an optimization device for booming noise of a main driving inner ear in a high rotation speed of a hardware operating environment according to an embodiment of the present application.
As shown in fig. 1, the apparatus for optimizing the boom noise of the main driving inner ear at a high rotation speed may include: a processor 1001, such as a Central Processing Unit (CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a WIreless interface (e.g., a WIreless-FIdelity (WI-FI) interface). The Memory 1005 may be a Random Access Memory (RAM) Memory, or may be a Non-Volatile Memory (NVM), such as a disk Memory. The memory 1005 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the configuration shown in fig. 1 does not constitute a definition of an apparatus for optimizing boom noise of a main inner ear at high rotational speeds, and may include more or fewer components than those shown, or some components in combination, or a different arrangement of components.
As shown in fig. 1, the memory 1005, which is a storage medium, may include an operating system, a network communication module, a user interface module, and an optimization program for booming noise of a main driver's inner ear at a high rotation speed.
In the optimization apparatus for booming noise of the main driving inner ear at a high rotation speed shown in fig. 1, the network interface 1004 is mainly used for data communication with a network server; the user interface 1003 is mainly used for data interaction with a user; the processor 1001 and the memory 1005 of the device for optimizing the boom noise of the main driving inner ear at the high rotation speed can be arranged in the device for optimizing the boom noise of the main driving inner ear at the high rotation speed, the device for optimizing the boom noise of the main driving inner ear at the high rotation speed calls the optimization program of the boom noise of the main driving inner ear at the high rotation speed stored in the memory 1005 through the processor 1001, and the method for optimizing the boom noise of the main driving inner ear at the high rotation speed provided by the embodiment of the application is executed.
Based on the hardware structure, the embodiment of the optimization method for the booming noise of the main driving inner ear at the high rotating speed is provided.
Referring to fig. 2, fig. 2 is a schematic flow chart of a first embodiment of the method for optimizing the boom noise of the main driving inner ear at a high rotation speed according to the present application.
In a first embodiment, the method for optimizing the boom noise of the main driving inner ear at a high rotating speed comprises the following steps:
step S10: acquiring parameter information of 2-order vibration of an original engine and preset growl noise parameter information.
It should be noted that the executing body in this embodiment may be an optimizing device for the boom noise of the main driving inner ear at a high rotation speed, and may also be other devices that can achieve the same or similar functions.
It should be understood that the parameter information of the 2 nd order vibration of the engine may be parameter information of any component which can bring about the 2 nd order vibration of the engine, such as the rotating speed of the engine and the parameter information of components on the engine, such as an air conditioner compressor, an air conditioner low-pressure hard pipe, an engine right suspension passive side body longitudinal beam and the like. The vibration of the component on the vibration transmission path may be reduced by, for example, changing the material, structure, etc. of the low-pressure hard pipe of the air conditioner, which is not limited by the present embodiment.
It is understood that the preset growl noise parameter information may be intensity, amplitude, etc. of the growl noise of the main driving inner ear.
Step S20: and adjusting the parameter information of the 2-order vibration of the original engine according to the preset booming noise parameter information to obtain the adjusted parameter information of the 2-order vibration of the engine.
Specifically, an adjustment strategy of parameter information of 2-order vibration of the engine is calculated according to preset booming noise parameter information, so that the booming noise of the main driving inner ear can obtain a preset effect.
Specifically, the vibration of the component on the vibration transmission path is reduced by adjusting parameter information of the component that causes the vibration during the operation of the engine.
Step S30: and reducing the booming noise of the main driving inner ear according to the adjusted parameter information of the 2-order vibration of the engine.
It should be understood that after parameter information of the 2 nd order vibration of the engine is adjusted, the vibration of each component on the transmission path of the 2 nd order vibration of the engine is also reduced, the vibration magnitude is reflected by vibration data collected by a mounted sensor, the amplitude in the vibration data can directly reflect the vibration magnitude, and when the amplitude is larger, the corresponding vibration sense is stronger. The vibration of each component on the transmission path is reduced, so that the booming noise of the main driving inner ear is controlled.
In the embodiment, the parameter information of the 2-order vibration of the original engine and the parameter information of the preset booming noise are obtained, the parameter information of the 2-order vibration of the original engine is adjusted according to the parameter information of the preset booming noise, the parameter information of the 2-order vibration of the adjusted engine is obtained, and the booming noise of the main driving inner ear is reduced according to the parameter information of the 2-order vibration of the adjusted engine. According to the method and the device, the vibration on a vibration transmission path is reduced by adjusting the parameter information of 2-order vibration of the engine in a target vibration environment, the problem of booming noise of a main driving inner ear at a high rotating speed can be effectively solved, and the experience of a user is improved.
In an embodiment, as shown in fig. 3, based on the second embodiment of the method for optimizing the boom noise of the main driving inner ear at the high rotation speed proposed by the first embodiment, the step S10 includes:
step S101, acquiring first vibration data of each component on a transmission path of 2-order vibration of the engine at a preset high rotation speed.
Further, a microphone is disposed in a main cab inner ear in the vehicle, and vibration sensors are disposed on respective members in a transmission path of 2-order vibrations of the engine. The components on the transmission path comprise an air conditioner compressor body, an air conditioner low-pressure hard pipe and a right side longitudinal beam of a driven side vehicle body of the right suspension of the engine. As an embodiment, an acceleration vibration sensor is respectively arranged on the components, and a data acquisition device and a test computer are connected well.
The engine is operated at a preset high rotational speed to achieve a target vibration environment. In the specific operation, when the vehicle is collected on a smooth asphalt pavement at a speed of 3, the full accelerator is accelerated to run at a preset high rotating speed of 2000rpm to 4500rpm, and a target vibration environment is obtained.
It is understood that the rotation speed range is a rotation speed range corresponding to the engine when the driver steps on the accelerator pedal, the rotation speed range of 2000rpm to 4500rpm is merely an example, and the rotation speed range in the present embodiment is not limited thereto.
Under the acceleration condition of each preset high rotation speed, first vibration data of all parts in a target vibration environment are obtained through a vibration sensor, and first rumbling noise data of a main driving inner ear in the target vibration environment are obtained through a microphone.
And S102, comparing the first vibration data of each component according to a preset high rotating speed range, and determining a target component generating booming noise of the main driving inner ear.
It can be understood that the vibration data of the air conditioner compressor body, the air conditioner low-pressure hard pipe and the engine right suspension passive side vehicle body right longitudinal beam are presented in a form of a broken line graph, and by comparing the amplitudes corresponding to the three vibration data within a preset range, the larger the amplitude of the component is, the larger the contribution degree of the component to the booming noise of the main driving inner ear is, the higher the intensity of the booming noise is, so that the component with the largest contribution degree is taken as a target component for generating the booming noise of the main driving inner ear.
Through data analysis, when the rotating speed of the engine is 3100rpm, 2-order rumbling noise of a microphone of a main driving inner ear is matched with Y-direction vibration of an air conditioner compressor and 2-order Y-direction vibration peak values of a low-pressure hard pipe of the air conditioner, corresponding to the frequency of 103Hz, the low-pressure hard pipe of the air conditioner amplifies Y-direction vibration excitation from the air conditioner compressor, the amplified Y-direction vibration of the low-pressure hard pipe of the air conditioner is transmitted to a body longitudinal beam on the right suspension driven side of the engine, and the vibration is coupled with the 103Hz mode of the body longitudinal beam on the right side of the body, so that 2-order rumbling vibration occurs when the main driving inner ear of the vehicle runs at the rotating speed of 3100 rpm. Thus, the target component is an air conditioning low pressure hard pipe.
And step S103, acquiring parameter information of 2-order vibration of the engine and preset booming noise parameter information according to the target component.
It is understood that after the target component causing the booming noise of the main driving inner ear at the high rotation speed is obtained, the parameter information of the target component is taken as the parameter information of the 2 nd order vibration of the engine, and the parameter information includes: the length, material and aperture of the low-pressure hard pipe of the air conditioner.
It should be understood that the preset growl noise parameter information may be preset intensity of growl noise of the main driving inner ear corresponding to different vehicle types.
In the embodiment, the target component generating the booming noise of the main driving inner ear at the high rotation speed is determined by acquiring the first vibration data of each component on the transmission path of the 2-order vibration of the engine at the high rotation speed and comparing the first vibration data of each component on the transmission path of the 2-order vibration of the engine at the high rotation speed, and the parameter information of the 2-order vibration of the engine and the preset booming noise parameter information are acquired according to the target component. The target component for generating the boom noise of the main driving inner ear at the high rotating speed is obtained through the vibration sensor, and the target component is adjusted, so that the efficiency of reducing the boom noise of the main driving inner ear at the high rotating speed can be improved.
In an embodiment, as shown in fig. 4, a third embodiment of the method for optimizing rolling noise of a main driving inner ear at a high rotation speed, S20, is provided based on the first embodiment, and includes:
in step S201, original length parameter information of the target component is acquired.
In the vibration transmission process, the vibration gradually weakens from the vibration input end to the vibration output end of the component, and therefore, adjusting the length of the target component helps to adjust the vibration transmission efficiency of the target component.
Step S202, the original length parameter information is modified according to the preset growl noise parameter information, and the modified length parameter information is obtained.
It will be appreciated that lengthening the target member increases the rate at which vibrations are attenuated on the target member, reducing the amount of vibration energy that propagates back from the target member.
Preferably, in modifying the length of the target part, a spatial arrangement factor of the vehicle type needs to be considered. The target member is lengthened within the spatial arrangement allowed.
As an embodiment, the low-pressure hard pipe of the air conditioner is lengthened by 15 mm.
And step S203, acquiring the parameter information of the 2-order vibration of the current engine according to the modified length parameter information, and taking the parameter information of the 2-order vibration of the current engine as the parameter information of the 2-order vibration of the adjusted engine.
It is understood that after the length of the target component is changed, the parameter information of the new engine 2-order vibration is newly determined according to the changed length of the target component.
In the embodiment, the original length parameter information of the target component is acquired, the original length parameter information is modified according to the preset booming noise parameter information to acquire the modified length parameter information, the parameter information of the current 2-order vibration of the engine is acquired according to the modified length parameter information, and the parameter information of the current 2-order vibration of the engine is used as the parameter information of the adjusted 2-order vibration of the engine. Through changing the length of the target component, 2-order vibration of the engine is reduced, so that the booming noise of the main driving inner ear can be effectively reduced.
In an embodiment, as shown in fig. 5, a fourth embodiment of the method for optimizing rolling noise of a main driving inner ear at a high rotation speed according to the present application is provided based on the first embodiment, the method is described by taking the first embodiment as an example, and after S30, the method further includes:
in step S301, material parameter information of the target component is acquired.
Further, acquiring second vibration data and second growl noise data of each part at a preset high rotating speed; and judging whether the second vibration data and the second growl noise data are in a preset range. And if the target component is not in the preset range, executing the step of acquiring the material parameter information of the target component.
It is understood that the preset range of the growl noise is a range of vibration of the component that causes the growl noise of the main driving inner ear to be within the acceptable range for the driver, and the preset range of vibration is a range of vibration of the component that causes the growl noise of the main driving inner ear to be within the preset range. If the second booming noise data is not within the preset range, it is necessary to further adjust the parameter information of the member on the vibration transmission path, for example, to continuously adjust the length parameter of the target member, to adjust another parameter of the door member, or to adjust the parameter information of another member. If the second vibration data of the component is not within the preset range, the parameter information of the component or other components needs to be adjusted. Therefore, if the second vibration data and/or the second growl noise data are not within the preset range, further adjustment is required.
And step S302, carrying out material adjustment on the adjusted parameter information of the 2-order vibration of the engine according to the material parameter information of the target component so as to reduce the booming noise of the main driving inner ear again.
It will be appreciated that by varying the material parameters of the target component, adjusting the flexibility of the door component, the absorption of vibration by the target component can be varied, thereby adjusting the efficiency of vibration transmission.
As an embodiment, the air conditioner low-pressure hard pipe is changed from a four-layer EPDM material to a three-layer EPDM material, so that the air conditioner low-pressure hard pipe can be softened, and the cost can be reduced.
And step S303, acquiring booming noise of the main driving inner ear at a preset high rotating speed through a microphone.
It can be understood that after the material parameter information of the target component is adjusted, third growl noise data of the main driver inner ear at a preset high rotation speed is obtained according to the microphone, and the third growl noise data is consistent with the preset growl noise parameter information.
In the embodiment, second vibration data and second growl noise data are acquired within a preset high rotating speed range, and whether the second vibration data and the second growl noise data are within the preset range is judged; and if the vibration range is not within the preset vibration range, reducing the booming noise of the main driving inner ear by adjusting the material parameter information of the target component. Whether the material parameters of the target component need to be adjusted is determined by judging whether the length adjustment of the target component can meet the preset rolling noise requirement or not, so that the efficiency of reducing the rolling noise of the main driving inner ear at high rotating speed is improved.
In addition, the embodiment of the present application further provides a storage medium, where the storage medium stores an optimization program of boom noise of the main driving inner ear at a high rotation speed, and the optimization program of boom noise of the main driving inner ear at a high rotation speed is executed by the processor to implement the above steps of the optimization method of boom noise of the main driving inner ear at a high rotation speed.
Since the storage medium adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here.
In addition, referring to fig. 6, the present embodiment further provides an apparatus for optimizing growl noise of a main driving inner ear at a high speed, where the apparatus for optimizing growl noise of a main driving inner ear at a high speed includes an obtaining module 610, an adjusting module 620, and a reducing module 630.
The obtaining module 610 is used for obtaining parameter information of 2-order vibration of the original engine and preset growl noise parameter information.
The adjusting module 620 is configured to preset the boom noise parameter information to adjust the parameter information of the 2-order vibration of the original engine, and obtain the adjusted parameter information of the 2-order vibration of the engine.
And a reducing module 630, configured to reduce the booming noise of the main driver's inner ear according to the adjusted parameter information of the 2-order vibration of the engine.
In the embodiment, the parameter information of the 2-order vibration of the original engine and the parameter information of the preset booming noise are obtained, the parameter information of the 2-order vibration of the original engine is adjusted according to the parameter information of the preset booming noise, the parameter information of the 2-order vibration of the adjusted engine is obtained, and the booming noise of the main driving inner ear is reduced according to the parameter information of the 2-order vibration of the adjusted engine. According to the method and the device, the vibration on a vibration transmission path is reduced by adjusting the parameter information of 2-order vibration of the engine in a target vibration environment, the problem of booming noise of a main driving inner ear at a high rotating speed can be effectively solved, and the experience of a user is improved.
It should be noted that the above-described work flows are only illustrative and do not limit the scope of the present application, and in practical applications, a person skilled in the art may select some or all of them to achieve the purpose of the solution of the present embodiment according to practical needs, and the present invention is not limited herein.
In addition, the technical details that are not described in detail in this embodiment may be referred to a method for optimizing boom noise of a main driving inner ear at a high rotation speed provided in any embodiment of the present application, and are not described herein again.
In an embodiment, the obtaining module 610 is further configured to obtain first vibration data of each component on a transmission path of 2-order vibration of the engine at a preset high rotation speed, compare the first vibration data of each component according to a preset high rotation speed range, determine a target component generating booming noise of a main driving inner ear, and obtain parameter information of 2-order vibration of the engine and preset booming noise parameter information according to the target component.
In one embodiment, the obtaining module 610 is further configured to arrange a microphone in a main inner ear of the vehicle, and arrange a vibration sensor on each component on a transmission path of 2-order vibration of the engine; operating the engine at a preset high rotating speed to obtain a target vibration environment; aiming at each preset high rotating speed, first vibration data of all parts in a target vibration environment are obtained through a vibration sensor, and first rumbling noise data of a main driving inner ear in the target vibration environment are obtained through a microphone.
In one embodiment, the adjustment module 620 includes an acquisition sub-module, an adjustment sub-module, and a vibration parameter information acquisition sub-module. The acquisition submodule is used for acquiring original length parameter information of the target component; the adjusting submodule is used for modifying the original length parameter information according to the preset booming noise parameter information to obtain the modified length parameter information; and the vibration parameter information acquisition submodule is used for acquiring the parameter information of the 2-order vibration of the current engine according to the modified length parameter information, and taking the parameter information of the 2-order vibration of the current engine as the parameter information of the 2-order vibration of the adjusted engine.
In an embodiment, the reducing module 630 is further configured to obtain material parameter information of the target component; performing material adjustment on the adjusted parameter information of the 2-order vibration of the engine according to the material parameter information of the target component so as to reduce the booming noise of the main driving inner ear again; the microphone is used for obtaining the booming noise of the main driving inner ear at a preset high rotating speed.
In an embodiment, the reducing module 630 is further configured to obtain second vibration data and second booming noise data of each component at a preset high rotation speed; and judging whether the second vibration data and the second growl noise data are in a preset range.
Other embodiments or methods of implementing the apparatus for optimizing boom noise in the inner ear of a driver at high rotational speeds are not disclosed herein.
Further, it is to be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present application or portions thereof that contribute to the prior art may be embodied in the form of a software product, where the computer software product is stored in a storage medium (e.g., Read Only Memory (ROM)/RAM, magnetic disk, optical disk), and includes several instructions for enabling a terminal device (which may be a mobile phone, a computer, a server, or a network device) to execute the method of the embodiments of the present application.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.
Claims (10)
1. The method for optimizing the boom noise of the main driving inner ear at the high rotating speed is characterized by comprising the following steps of:
acquiring parameter information of 2-order vibration of an original engine and preset booming noise parameter information;
adjusting the parameter information of 2-order vibration of the original engine according to the preset booming noise parameter information to obtain the adjusted parameter information of 2-order vibration of the engine;
and reducing the booming noise of the main driving inner ear according to the adjusted parameter information of the 2-order vibration of the engine.
2. The method for optimizing the growl noise of the inner ear of the main driver at the high speed as claimed in claim 1, wherein the obtaining the parameter information of the 2 nd order vibration of the original engine and the preset growl noise parameter information comprises:
acquiring first vibration data of each component on a transmission path of 2-order vibration of the engine at a preset high rotating speed;
comparing the first vibration data of the components according to the preset high rotating speed range, and determining a target component generating the booming noise of the main driving inner ear;
and acquiring parameter information of 2-order vibration of the engine and preset booming noise parameter information according to the target component.
3. The method for optimizing the boom noise of the main driving inner ear at the high rotation speed according to claim 2, wherein the obtaining of the first vibration data of each component on the transmission path of the 2 nd order vibration of the engine at the preset high rotation speed comprises:
a microphone is arranged on a main driving inner ear in the automobile, and vibration sensors are arranged on various parts on a transmission path of 2-order vibration of the engine;
operating the engine at a preset high rotating speed to obtain a target vibration environment;
and aiming at each preset high rotating speed, first vibration data of all the parts in the target vibration environment are obtained through the vibration sensor, and first rumbling noise data of a main driving inner ear in the target vibration environment are obtained through the microphone.
4. The method for optimizing the growl noise of the inner ear of the main driver at the high speed as claimed in claim 2, wherein the adjusting the parameter information of the 2 nd order vibration of the original engine according to the preset growl noise parameter information to obtain the adjusted parameter information of the 2 nd order vibration of the engine comprises:
acquiring original length parameter information of the target component;
modifying the original length parameter information according to the preset growl noise parameter information to obtain modified length parameter information;
and acquiring the parameter information of the 2-order vibration of the current engine according to the modified length parameter information, and taking the parameter information of the 2-order vibration of the current engine as the parameter information of the 2-order vibration of the adjusted engine.
5. The method for optimizing growl noise of a main driving inner ear at a high speed as claimed in claim 3, wherein the reducing the growl noise of the main driving inner ear according to the adjusted parameter information of the 2 nd order vibration of the engine further comprises:
acquiring material parameter information of the target component;
carrying out material adjustment on the adjusted parameter information of the 2-order vibration of the engine according to the material parameter information of the target component so as to reduce the booming noise of the main driving inner ear again;
and obtaining the booming noise of the main driving inner ear at the preset high rotating speed through the microphone.
6. The method for optimizing grower noise of a main driving inner ear at a high speed as claimed in claim 5, wherein before obtaining the material parameter information of the target component, further comprising:
acquiring second vibration data and second growl noise data of each part at a preset high rotating speed;
judging whether the second vibration data and the second growl noise data are within a preset range;
and if not, executing the step of acquiring the material parameter information of the target component.
7. The optimization device for the booming noise of the inner ear of a driver at a high rotating speed is characterized by comprising an acquisition module, an adjustment module and a reduction module;
the acquisition module is used for acquiring parameter information of 2-order vibration of the original engine and preset growl noise parameter information;
the adjusting module is used for adjusting the parameter information of 2-order vibration of the original engine by the preset booming noise parameter information to obtain the adjusted parameter information of 2-order vibration of the engine;
the reducing module is used for reducing the booming noise of the main driving inner ear according to the adjusted parameter information of 2-order vibration of the engine.
8. The device for optimizing the boom noise of the main driving inner ear at the high rotation speed according to claim 7, wherein the adjusting module comprises an obtaining sub-module, an adjusting sub-module and a vibration parameter information obtaining sub-module;
the acquisition submodule is used for acquiring original length parameter information of the target component;
the adjusting submodule is used for modifying the original length parameter information according to the preset grower noise parameter information to obtain modified length parameter information;
and the vibration parameter information acquisition submodule is used for acquiring the parameter information of the 2-order vibration of the current engine according to the modified length parameter information, and taking the parameter information of the 2-order vibration of the current engine as the parameter information of the 2-order vibration of the adjusted engine.
9. An optimization apparatus for the boom noise of a main driver's inner ear at high rotational speeds, comprising: memory, a processor and an optimization program of growl noise of a main driving inner ear at a high rotational speed stored on the memory and operable on the processor, the optimization program of growl noise of a main driving inner ear at a high rotational speed being configured with the steps of implementing the optimization method of growl noise of a main driving inner ear at a high rotational speed as recited in any one of claims 1 to 6.
10. A storage medium having stored thereon a program for optimizing growl noise of a main driving inner ear at a high rotation speed, the program for optimizing growl noise of a main driving inner ear at a high rotation speed being executed by a processor to implement the steps of the method for optimizing growl noise of a main driving inner ear at a high rotation speed as recited in any one of claims 1 to 6.
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